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-rw-r--r--board/hermes/hermes.c590
1 files changed, 0 insertions, 590 deletions
diff --git a/board/hermes/hermes.c b/board/hermes/hermes.c
deleted file mode 100644
index 6126b73..0000000
--- a/board/hermes/hermes.c
+++ /dev/null
@@ -1,590 +0,0 @@
-/*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <commproc.h>
-#include <mpc8xx.h>
-
-#ifdef CONFIG_SHOW_BOOT_PROGRESS
-# include <status_led.h>
-# define SHOW_BOOT_PROGRESS(arg) bootstage_mark(arg)
-#else
-# define SHOW_BOOT_PROGRESS(arg)
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/* ------------------------------------------------------------------------- */
-
-static long int dram_size (long int, long int *, long int);
-static ulong board_init (void);
-static void send_smi_frame (volatile scc_t * sp, volatile cbd_t * bd,
- uchar * msg);
-
-/* ------------------------------------------------------------------------- */
-
-#define _NOT_USED_ 0xFFFFFFFF
-
-const uint sdram_table[] = {
- /*
- * Single Read. (Offset 0 in UPMA RAM)
- */
- 0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00,
- 0x1ff77c47, /* last */
- /*
- * SDRAM Initialization (offset 5 in UPMA RAM)
- *
- * This is no UPM entry point. The following definition uses
- * the remaining space to establish an initialization
- * sequence, which is executed by a RUN command.
- *
- */
- 0x1fe77c35, 0xffaffc34, 0x1fa57c35, /* last */
- /*
- * Burst Read. (Offset 8 in UPMA RAM)
- */
- 0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00,
- 0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47, /* last */
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- /*
- * Single Write. (Offset 18 in UPMA RAM)
- */
- 0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47, /* last */
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- /*
- * Burst Write. (Offset 20 in UPMA RAM)
- */
- 0x1f07fc04, 0xeeaebc00, 0x10ad4c00, 0xf0afcc00,
- 0xf0afcc00, 0xe1bb8c06, 0x1ff77c47, /* last */
- _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- /*
- * Refresh (Offset 30 in UPMA RAM)
- */
- 0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04,
- 0xfffffc84, 0xfffffc07, /* last */
- _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- /*
- * Exception. (Offset 3c in UPMA RAM)
- */
- 0x7ffffc07, /* last */
- _NOT_USED_, _NOT_USED_, _NOT_USED_,
-};
-
-/* ------------------------------------------------------------------------- */
-
-
-/*
- * Check Board Identity:
- *
- * Test ID string (HERMES...)
- *
- * Return code for board revision and network speed
- */
-
-int checkboard (void)
-{
- char buf[64];
- int i;
- int l = getenv_f("serial#", buf, sizeof(buf));
-
- puts ("Board: ");
-
- if (l < 0 || strncmp(buf, "HERMES", 6)) {
- puts ("### No HW ID - assuming HERMES-PRO");
- } else {
- for (i = 0; i < l; i++) {
- if (buf[i] == ' ')
- break;
- putc (buf[i]);
- }
- }
-
- gd->board_type = board_init ();
-
- printf (" Rev. %ld.x\n", (gd->board_type >> 16));
-
- return (0);
-}
-
-/* ------------------------------------------------------------------------- */
-
-phys_size_t initdram (int board_type)
-{
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
- long int size, size8, size9;
-
- upmconfig (UPMA, (uint *) sdram_table,
- sizeof (sdram_table) / sizeof (uint));
-
- /*
- * Preliminary prescaler for refresh
- */
- memctl->memc_mptpr = 0x0400;
-
- memctl->memc_mar = 0x00000088;
-
- /*
- * Map controller banks 1 to the SDRAM banks at preliminary address
- */
- memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM;
- memctl->memc_br1 = CONFIG_SYS_BR1_PRELIM;
-
- /* HERMES-PRO boards have only one bank SDRAM */
-
-
- udelay (200);
-
- /* perform SDRAM initializsation sequence */
-
- memctl->memc_mamr = 0xD0802114;
- memctl->memc_mcr = 0x80002105;
- udelay (1);
- memctl->memc_mamr = 0xD0802118;
- memctl->memc_mcr = 0x80002130;
- udelay (1);
- memctl->memc_mamr = 0xD0802114;
- memctl->memc_mcr = 0x80002106;
-
- udelay (1000);
-
- /*
- * Check Bank 0 Memory Size for re-configuration
- *
- * try 8 column mode
- */
- size8 = dram_size (CONFIG_SYS_MAMR_8COL, (long *) SDRAM_BASE_PRELIM,
- SDRAM_MAX_SIZE);
-
- udelay (1000);
-
- /*
- * try 9 column mode
- */
- size9 = dram_size (CONFIG_SYS_MAMR_9COL, (long *) SDRAM_BASE_PRELIM,
- SDRAM_MAX_SIZE);
-
- if (size8 < size9) { /* leave configuration at 9 columns */
- size = size9;
-/* debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20); */
- } else { /* back to 8 columns */
- size = size8;
- memctl->memc_mamr = CONFIG_SYS_MAMR_8COL;
- udelay (500);
-/* debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20); */
- }
-
- udelay (1000);
-
- memctl->memc_or1 = ((-size) & 0xFFFF0000) | SDRAM_TIMING;
- memctl->memc_br1 = (CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
-
- udelay (10000);
-
- return (size);
-}
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Check memory range for valid RAM. A simple memory test determines
- * the actually available RAM size between addresses `base' and
- * `base + maxsize'. Some (not all) hardware errors are detected:
- * - short between address lines
- * - short between data lines
- */
-
-static long int dram_size (long int mamr_value, long int *base,
- long int maxsize)
-{
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
-
- memctl->memc_mamr = mamr_value;
-
- return (get_ram_size(base, maxsize));
-}
-
-/* ------------------------------------------------------------------------- */
-
-#define PB_LED_3 0x00020000 /* Status LED's */
-#define PB_LED_2 0x00010000
-#define PB_LED_1 0x00008000
-#define PB_LED_0 0x00004000
-
-#define PB_LED_ALL (PB_LED_0 | PB_LED_1 | PB_LED_2 | PB_LED_3)
-
-#define PC_REP_SPD1 0x00000800
-#define PC_REP_SPD0 0x00000400
-
-#define PB_RESET_2081 0x00000020 /* Reset PEB2081 */
-
-#define PB_MAI_4 0x00000010 /* Configuration */
-#define PB_MAI_3 0x00000008
-#define PB_MAI_2 0x00000004
-#define PB_MAI_1 0x00000002
-#define PB_MAI_0 0x00000001
-
-#define PB_MAI_ALL (PB_MAI_0 | PB_MAI_1 | PB_MAI_2 | PB_MAI_3 | PB_MAI_4)
-
-
-#define PC_REP_MGRPRS 0x0200
-#define PC_REP_SPD 0x0040 /* Select 100 Mbps */
-#define PC_REP_RES 0x0004
-#define PC_BIT14 0x0002 /* ??? */
-#define PC_BIT15 0x0001 /* ??? ENDSL ?? */
-
-/* ------------------------------------------------------------------------- */
-
-static ulong board_init (void)
-{
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
- ulong reg, revision, speed = 100;
- int ethspeed;
- char *s;
-
- if ((s = getenv ("ethspeed")) != NULL) {
- if (strcmp (s, "100") == 0) {
- ethspeed = 100;
- } else if (strcmp (s, "10") == 0) {
- ethspeed = 10;
- } else {
- ethspeed = 0;
- }
- } else {
- ethspeed = 0;
- }
-
- /* Configure Port B Output Pins => 0x0003cc3F */
- reg = PB_LED_ALL | PC_REP_SPD1 | PC_REP_SPD0 | PB_RESET_2081 |
- PB_MAI_ALL;
- immr->im_cpm.cp_pbpar &= ~reg;
- immr->im_cpm.cp_pbodr &= ~reg;
- immr->im_cpm.cp_pbdat &= ~reg; /* all 0 */
- immr->im_cpm.cp_pbdir |= reg;
-
- /* Check hardware revision */
- if ((immr->im_ioport.iop_pcdat & 0x0003) == 0x0003) {
- /*
- * Revision 3.x hardware
- */
- revision = 3;
-
- immr->im_ioport.iop_pcdat = 0x0240;
- immr->im_ioport.iop_pcdir = (PC_REP_MGRPRS | PC_REP_SPD | PC_REP_RES | PC_BIT14); /* = 0x0246 */
- immr->im_ioport.iop_pcdat |= PC_REP_RES;
- } else {
- immr->im_ioport.iop_pcdat = 0x0002;
- immr->im_ioport.iop_pcdir = (PC_REP_MGRPRS | PC_REP_RES | PC_BIT14 | PC_BIT15); /* = 0x0207 */
-
- if ((immr->im_ioport.iop_pcdat & PC_REP_SPD) == 0) {
- /*
- * Revision 2.x hardware: PC9 connected to PB21
- */
- revision = 2;
-
- if (ethspeed == 0) {
- /* both 10 and 100 Mbps allowed:
- * select 10 Mbps and autonegotiation
- */
- puts (" [10+100]");
- immr->im_cpm.cp_pbdat = 0; /* SPD1:SPD0 = 0:0 - autonegot. */
- speed = 10;
- } else if (ethspeed == 10) {
- /* we are asked for 10 Mbps,
- * so select 10 Mbps
- */
- puts (" [10]");
- immr->im_cpm.cp_pbdat = 0; /* ??? */
- speed = 10;
- } else {
- /* anything else:
- * select 100 Mbps
- */
- puts (" [100]");
- immr->im_cpm.cp_pbdat = PC_REP_SPD0 | PC_REP_SPD1;
- /* SPD1:SPD0 = 1:1 - 100 Mbps */
- speed = 100;
- }
- immr->im_ioport.iop_pcdat |= (PC_REP_RES | PC_BIT14);
-
- /* must be run from RAM */
- /* start_lxt980 (speed); */
- /*************************/
- } else {
- /*
- * Revision 1.x hardware
- */
- revision = 1;
-
- immr->im_ioport.iop_pcdat = PC_REP_MGRPRS | PC_BIT14; /* = 0x0202 */
- immr->im_ioport.iop_pcdir = (PC_REP_MGRPRS | PC_REP_SPD | PC_REP_RES | PC_BIT14 | PC_BIT15); /* = 0x0247 */
-
- if (ethspeed == 0) {
- /* both 10 and 100 Mbps allowed:
- * select 100 Mbps and autonegotiation
- */
- puts (" [10+100]");
- immr->im_cpm.cp_pbdat = 0; /* SPD1:SPD0 = 0:0 - autonegot. */
- immr->im_ioport.iop_pcdat |= PC_REP_SPD;
- } else if (ethspeed == 10) {
- /* we are asked for 10 Mbps,
- * so select 10 Mbps
- */
- puts (" [10]");
- immr->im_cpm.cp_pbdat = PC_REP_SPD0; /* SPD1:SPD0 = 0:1 - 10 Mbps */
- } else {
- /* anything else:
- * select 100 Mbps
- */
- puts (" [100]");
- immr->im_cpm.cp_pbdat = PC_REP_SPD0 | PC_REP_SPD1;
- /* SPD1:SPD0 = 1:1 - 100 Mbps */
- immr->im_ioport.iop_pcdat |= PC_REP_SPD;
- }
-
- immr->im_ioport.iop_pcdat |= PC_REP_RES;
- }
- }
- SHOW_BOOT_PROGRESS(BOOTSTAGE_ID_CHECK_MAGIC);
-
- return ((revision << 16) | (speed & 0xFFFF));
-}
-
-/* ------------------------------------------------------------------------- */
-
-#define SCC_SM 1 /* Index => SCC2 */
-#define PROFF PROFF_SCC2
-
-#define SMI_MSGLEN 8 /* Length of SMI Messages */
-
-#define PHYGPCR_ADDR 0x109 /* Port Enable */
-#define PHYPCR_ADDR 0x132 /* PHY Port Control Reg. (port 1) */
-#define LEDPCR_ADDR 0x141 /* LED Port Control Reg. */
-#define RPRESET_ADDR 0x144 /* Repeater Reset */
-
-#define PHYPCR_SPEED 0x2000 /* on for 100 Mbps, off for 10 Mbps */
-#define PHYPCR_AN 0x1000 /* on to enable Auto-Negotiation */
-#define PHYPCR_REST_AN 0x0200 /* on to restart Auto-Negotiation */
-#define PHYPCR_FDX 0x0100 /* on for Full Duplex, off for HDX */
-#define PHYPCR_COLT 0x0080 /* on to enable COL signal test */
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Must run from RAM:
- * uses parameter RAM area which is used for stack while running from ROM
- */
-void hermes_start_lxt980 (int speed)
-{
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
- volatile cpm8xx_t *cp = (cpm8xx_t *) & (immr->im_cpm);
- volatile scc_t *sp = (scc_t *) & (cp->cp_scc[SCC_SM]);
- volatile cbd_t *bd;
- volatile hdlc_pram_t *hp;
- uchar smimsg[SMI_MSGLEN];
- ushort phypcrval;
- uint bd_off;
- int pnr;
-
- printf ("LXT9880: %3d Mbps\n", speed);
-
- immr->im_ioport.iop_paodr |= 0x0008; /* init PAODR: PA12 (TXD2) open drain */
- immr->im_ioport.iop_papar |= 0x400c; /* init PAPAR: TXD2, RXD2, BRGO4 */
- immr->im_ioport.iop_padir &= 0xbff3; /* init PADIR: BRGO4 */
- immr->im_ioport.iop_padir |= 0x4000;
-
- /* get temporary BD; no need for permanent alloc */
- bd_off = dpram_base_align (8);
-
- bd = (cbd_t *) (immr->im_cpm.cp_dpmem + bd_off);
-
- bd->cbd_bufaddr = 0;
- bd->cbd_datlen = 0;
- bd->cbd_sc = BD_SC_WRAP | BD_SC_LAST | BD_SC_INTRPT | BD_SC_TC;
-
- /* init. baudrate generator BRG4 */
- cp->cp_brgc4 = (0x00010000 | (50 << 1)); /* output 1 MHz */
-
- cp->cp_sicr &= 0xFFFF00FF; /* SICR: mask SCC2 */
- cp->cp_sicr |= 0x00001B00; /* SICR: SCC2 clk BRG4 */
-
- /* init SCC_SM register */
- sp->scc_psmr = 0x0000; /* init PSMR: no additional flags */
- sp->scc_todr = 0x0000;
- sp->scc_dsr = 0x7e7e;
-
- /* init. SCC_SM parameter area */
- hp = (hdlc_pram_t *) & cp->cp_dparam[PROFF];
-
- hp->tbase = bd_off; /* offset from beginning of DPRAM */
-
- hp->rfcr = 0x18;
- hp->tfcr = 0x18;
- hp->mrblr = 10;
-
- hp->c_mask = 0x0000f0b8;
- hp->c_pres = 0x0000ffff;
-
- hp->disfc = 0;
- hp->crcec = 0;
- hp->abtsc = 0;
- hp->nmarc = 0;
- hp->retrc = 0;
-
- hp->mflr = 10;
-
- hp->rfthr = 1;
-
- hp->hmask = 0;
- hp->haddr1 = 0;
- hp->haddr2 = 0;
- hp->haddr3 = 0;
- hp->haddr4 = 0;
-
- cp->cp_cpcr = SCC_SM << 6 | 0x0001; /* SCC_SM: init TX/RX params */
- while (cp->cp_cpcr & CPM_CR_FLG);
-
- /* clear all outstanding SCC events */
- sp->scc_scce = ~0;
-
- /* enable transmitter: GSMR_L: TPL=2(16bits), TPP=3(all ones), ENT */
- sp->scc_gsmrh = 0;
- sp->scc_gsmrl |= SCC_GSMRL_TPL_16 | SCC_GSMRL_TPP_ALL1 |
- SCC_GSMRL_ENT | SCC_GSMRL_MODE_HDLC;
-
-#if 0
- smimsg[0] = 0x00; /* CHIP/HUB ID */
- smimsg[1] = 0x38; /* WRITE CMD */
- smimsg[2] = (RPRESET_ADDR << 4) & 0xf0;
- smimsg[3] = RPRESET_ADDR >> 4;
- smimsg[4] = 0x01;
- smimsg[5] = 0x00;
- smimsg[6] = 0x00;
- smimsg[7] = 0x00;
-
- send_smi_frame (sp, bd, smimsg);
-#endif
-
- smimsg[0] = 0x7f; /* BROADCAST */
- smimsg[1] = 0x34; /* ASSIGN HUB ID */
- smimsg[2] = 0x00;
- smimsg[3] = 0x00;
- smimsg[4] = 0x00; /* HUB ID = 0 */
- smimsg[5] = 0x00;
- smimsg[6] = 0x00;
- smimsg[7] = 0x00;
-
- send_smi_frame (sp, bd, smimsg);
-
- smimsg[0] = 0x7f; /* BROADCAST */
- smimsg[1] = 0x3c; /* SET ARBOUT TO 0 */
- smimsg[2] = 0x00; /* ADDRESS = 0 */
- smimsg[3] = 0x00;
- smimsg[4] = 0x00; /* DATA = 0 */
- smimsg[5] = 0x00;
- smimsg[6] = 0x00;
- smimsg[7] = 0x00;
-
- send_smi_frame (sp, bd, smimsg);
-
- if (speed == 100) {
- phypcrval = PHYPCR_SPEED; /* 100 MBIT, disable autoneg. */
- } else {
- phypcrval = 0; /* 10 MBIT, disable autoneg. */
- }
-
- /* send MSGs */
- for (pnr = 0; pnr < 8; pnr++) {
- smimsg[0] = 0x00; /* CHIP/HUB ID */
- smimsg[1] = 0x38; /* WRITE CMD */
- smimsg[2] = ((PHYPCR_ADDR + pnr) << 4) & 0xf0;
- smimsg[3] = (PHYPCR_ADDR + pnr) >> 4;
- smimsg[4] = (unsigned char) (phypcrval & 0xff);
- smimsg[5] = (unsigned char) (phypcrval >> 8);
- smimsg[6] = 0x00;
- smimsg[7] = 0x00;
-
- send_smi_frame (sp, bd, smimsg);
- }
-
- smimsg[0] = 0x00; /* CHIP/HUB ID */
- smimsg[1] = 0x38; /* WRITE CMD */
- smimsg[2] = (PHYGPCR_ADDR << 4) & 0xf0;
- smimsg[3] = PHYGPCR_ADDR >> 4;
- smimsg[4] = 0xff; /* enable port 1-8 */
- smimsg[5] = 0x01; /* enable MII1 (0x01) */
- smimsg[6] = 0x00;
- smimsg[7] = 0x00;
-
- send_smi_frame (sp, bd, smimsg);
-
- smimsg[0] = 0x00; /* CHIP/HUB ID */
- smimsg[1] = 0x38; /* WRITE CMD */
- smimsg[2] = (LEDPCR_ADDR << 4) & 0xf0;
- smimsg[3] = LEDPCR_ADDR >> 4;
- smimsg[4] = 0xaa; /* Port 1-8 Conf.bits = 10 (Hardware control) */
- smimsg[5] = 0xaa;
- smimsg[6] = 0x00;
- smimsg[7] = 0x00;
-
- send_smi_frame (sp, bd, smimsg);
-
- /*
- * Disable Transmitter (so that we can free the BD, too)
- */
- sp->scc_gsmrl &= ~SCC_GSMRL_ENT;
-}
-
-/* ------------------------------------------------------------------------- */
-
-static void send_smi_frame (volatile scc_t * sp, volatile cbd_t * bd,
- uchar * msg)
-{
-#ifdef DEBUG
- unsigned hub, chip, cmd, length, addr;
-
- hub = msg[0] & 0x1F;
- chip = msg[0] >> 5;
- cmd = msg[1] & 0x1F;
- length = (msg[1] >> 5) | ((msg[2] & 0x0F) << 3);
- addr = (msg[2] >> 4) | (msg[3] << 4);
-
- printf ("SMI send: Hub %02x Chip %x Cmd %02x Len %d Addr %03x: "
- "%02x %02x %02x %02x\n",
- hub, chip, cmd, length, addr, msg[4], msg[5], msg[6], msg[7]);
-#endif /* DEBUG */
-
- bd->cbd_bufaddr = (uint) msg;
- bd->cbd_datlen = SMI_MSGLEN;
- bd->cbd_sc |= BD_SC_READY;
-
- /* wait for msg transmitted */
- while ((sp->scc_scce & 0x0002) == 0);
- /* clear all events */
- sp->scc_scce = ~0;
-}
-
-/* ------------------------------------------------------------------------- */
-
-void show_boot_progress (int status)
-{
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
-
- /* let things compatible */
- if (status < -BOOTSTAGE_ID_POST_FAIL_R)
- status = -1;
- status ^= 0x0F;
- status = (status & 0x0F) << 14;
- immr->im_cpm.cp_pbdat = (immr->im_cpm.cp_pbdat & ~PB_LED_ALL) | status;
-}
-
-/* ------------------------------------------------------------------------- */
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